Duplex F51 / UNS S31803 / 1.4462

Duplex F51 / UNS S31803 is a corrosion resistant, high strength steel that is typically used for pipes, valves and bolting connectors in severe environments such as the oil and gas industry.

Duplex F51 - UNS S31803

Duplex F51 / UNS S31803 Specifications and Stock

Duplex F51 is also known as UNS S31803, Werkstoff number 1.4462, EN10088-3 X2CrNiMoN22-5-3 ASTM A182 F51 and NORSOK D41 to D45

Broder Metals provide F51 in fluctuating sizes dependent on market demand. For our complete stock make an enquiry or download our product brochure here.


F51 is used within the chemical processing, aerospace, oil and gas, power generation and heat treating industy.

Typical applications include

  • pumps
  • valves
  • pipework / flanges
  • bolting connectors & manifolds
  • rings
  • shafts
  • forgings
  • pressure systems

 Broder Metals provide F51 with our global same day quote, next day dispatch service.  All our metals are fully traceable for your confidence, with clear certification delivered electronically or sent with the material as requested.  For further information contact us or download our information sheet here.